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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -run-pass=peephole-opt -mtriple=i386-- %s -o - | FileCheck %s3 4# Linkers may change `addq xx@GOTNTPOFF, %reg` to `leaq OFFSET(%reg), %reg`,5# so we must not depend upon the EFLAGS output. Verify that the TEST6# instruction won't be folded into the ADD.7 8# NOTE: the IR will no longer actually produce the input MIR after9# llvm.threadlocal.address intrinsic is annotated as having a nonnull10# result.11 12# NOTE2: the foo_nopic MIR was produced from IR with --relocation-model=static13# while foo_pic's MIR was produced with --relocation-model=pic.14 15--- |16 target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128"17 target triple = "i386-unknown-linux-gnu"18 19 @x = external thread_local(initialexec) global i32, align 420 21 define i32 @foo_nopic() {22 %1 = tail call ptr @llvm.threadlocal.address.p0(ptr nonnull @x)23 %cmp = icmp eq ptr %1, null24 %zext = zext i1 %cmp to i3225 ret i32 %zext26 }27 28 define i32 @foo_pic() {29 %1 = tail call ptr @llvm.threadlocal.address.p0(ptr nonnull @x)30 %cmp = icmp eq ptr %1, null31 %zext = zext i1 %cmp to i3232 ret i32 %zext33 }34 35 ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn36 declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #037 38 attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }39 40...41---42name: foo_nopic43alignment: 1644tracksRegLiveness: true45registers:46 - { id: 0, class: gr32 }47 - { id: 1, class: gr32 }48 - { id: 2, class: gr8 }49 - { id: 3, class: gr32 }50frameInfo:51 maxAlignment: 152machineFunctionInfo: {}53body: |54 bb.0 (%ir-block.0):55 ; CHECK-LABEL: name: foo_nopic56 ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)57 ; CHECK-NEXT: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], $noreg, 1, $noreg, target-flags(x86-indntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)58 ; CHECK-NEXT: TEST32rr [[ADD32rm]], [[ADD32rm]], implicit-def $eflags59 ; CHECK-NEXT: [[SETCCr:%[0-9]+]]:gr8 = SETCCr 4, implicit $eflags60 ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 killed [[SETCCr]]61 ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]]62 ; CHECK-NEXT: RET 0, $eax63 %0:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)64 %1:gr32 = ADD32rm %0, $noreg, 1, $noreg, target-flags(x86-indntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)65 TEST32rr %1, %1, implicit-def $eflags66 %2:gr8 = SETCCr 4, implicit $eflags67 %3:gr32 = MOVZX32rr8 killed %268 $eax = COPY %369 RET 0, $eax70 71...72---73name: foo_pic74alignment: 1675tracksRegLiveness: true76registers:77 - { id: 0, class: gr32_nosp }78 - { id: 1, class: gr32 }79 - { id: 2, class: gr32 }80 - { id: 3, class: gr8 }81 - { id: 4, class: gr32 }82 - { id: 5, class: gr32 }83frameInfo:84 maxAlignment: 185machineFunctionInfo: {}86body: |87 bb.0 (%ir-block.0):88 ; CHECK-LABEL: name: foo_pic89 ; CHECK: [[MOVPC32r:%[0-9]+]]:gr32 = MOVPC32r 0, implicit $esp, implicit $ssp90 ; CHECK-NEXT: [[ADD32ri:%[0-9]+]]:gr32_nosp = ADD32ri [[MOVPC32r]], target-flags(x86-got-absolute-address) &_GLOBAL_OFFSET_TABLE_, implicit-def $eflags91 ; CHECK-NEXT: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)92 ; CHECK-NEXT: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], [[ADD32ri]], 1, $noreg, target-flags(x86-gotntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)93 ; CHECK-NEXT: TEST32rr [[ADD32rm]], [[ADD32rm]], implicit-def $eflags94 ; CHECK-NEXT: [[SETCCr:%[0-9]+]]:gr8 = SETCCr 4, implicit $eflags95 ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 killed [[SETCCr]]96 ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]]97 ; CHECK-NEXT: RET 0, $eax98 %5:gr32 = MOVPC32r 0, implicit $esp, implicit $ssp99 %0:gr32_nosp = ADD32ri %5, target-flags(x86-got-absolute-address) &_GLOBAL_OFFSET_TABLE_, implicit-def $eflags100 %1:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)101 %2:gr32 = ADD32rm %1, %0, 1, $noreg, target-flags(x86-gotntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)102 TEST32rr %2, %2, implicit-def $eflags103 %3:gr8 = SETCCr 4, implicit $eflags104 %4:gr32 = MOVZX32rr8 killed %3105 $eax = COPY %4106 RET 0, $eax107...108